From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from atlas.CARNet.hr (zcalusic@atlas.CARNet.hr [161.53.123.163]) by kvack.org (8.8.7/8.8.7) with ESMTP id SAA02274 for ; Mon, 11 Jan 1999 18:42:20 -0500 Subject: Re: Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 References: Reply-To: Zlatko.Calusic@CARNet.hr MIME-Version: 1.0 From: Zlatko Calusic Date: 12 Jan 1999 00:38:22 +0100 In-Reply-To: Andrea Arcangeli's message of "Tue, 12 Jan 1999 00:03:02 +0100 (CET)" Message-ID: <87ww2tv0r5.fsf@atlas.CARNet.hr> Sender: owner-linux-mm@kvack.org To: Andrea Arcangeli Cc: Steve Bergman , Linus Torvalds , brent verner , "Garst R. Reese" , Kalle Andersson , Ben McCann , bredelin@ucsd.edu, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org, Alan Cox , "Stephen C. Tweedie" List-ID: Andrea Arcangeli writes: > I've seen pre7 now and I produced arca-vm-18 against it. > > In arca-vm-18 I avoided the swaping readahead if we would be forced to do > _sync_ IO in the readahead. This make tons of sense to me. Yes, I agree. I made a same change in my development patches, this morning, and it works well. We can only gain with policy like that. > Another thing that would be interesting could be to change > SWAPFILE_CLUSTER to 256 as in clean pre7. I think it's not needed because > I am not hearing disk seeks under heavy swapping but may I guess there is > some reason is 256 in pre7 ;)? > Better clustering of pages on the disk. That will improve swapin readahead hit rate, and overall performance. Regards, -- Zlatko -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org